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BOSTON MARATHON 2023

Brenna Farren

Bib: 18086•F

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13374
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
49:21
Rank: #13936 (-562)
5K → 10K
24:46 | 7:58/mi
15K· 9.32 mi
1:14:20
Rank: #14185 (-249)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:39:08
Rank: #13917 (+268)
15K → 20K
24:48 | 7:59/mi
Half· 13.11 mi
1:44:27
Rank: #13847 (+70)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:04:00
Rank: #13735 (+112)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:29:54
Rank: #13611 (+124)
25K → 30K
25:54 | 8:20/mi
20M
2:41:47
Rank: #13744 (-133)
30K → 20M
11:53 | 8:45/mi
21M
2:52:13
Rank: #14223 (-479)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
2:58:35
Rank: #14250 (-27)
21M → 35K
6:22 | 8:31/mi
23M
3:09:40
Rank: #14309 (-59)
35K → 23M
11:05 | 8:51/mi
24M
3:18:09
Rank: #14297 (+12)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:25:51
Rank: #14354 (-57)
24M → 40K
7:42 | 9:00/mi
25.2M
3:29:09
Rank: #14371 (-17)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:37:41
Rank: #14364 (+7)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:53:14
Pace8:38 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4424:357:5524:35
7:55
-
10K
6.21 mi11:45:3049:217:5724:46
7:58
+0:03
15K
9.32 mi12:10:291:14:207:5924:59
8:02
+0:04
20K
12.43 mi12:35:171:39:087:5924:48
7:59
-0:03
Half
13.11 mi12:40:361:44:277:585:19
7:48
-0:11
25K
15.53 mi13:00:092:04:007:5919:33
8:04
+0:16
30K
18.64 mi13:26:032:29:548:0225:54
8:20
+0:16
20M
20.00 mi13:37:562:41:478:0511:53
8:45
+0:25
21M
21.00 mi13:48:222:52:138:1210:26
10:26
+1:41
35K
21.75 mi13:54:442:58:358:136:22
8:31
-1:55
23M
23.00 mi14:05:493:09:408:1511:05
8:51
+0:20
24M
24.00 mi14:14:183:18:098:158:29
8:29
-0:22
40K
24.85 mi14:22:003:25:518:177:42
9:00
+0:31
25.2M
25.20 mi14:25:183:29:098:183:18
9:34
+0:34
Finish
26.22 mi14:33:503:37:418:198:32
8:22
-1:12

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:48 /mi

Average Pace

8:19 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:28

37% of race

Time at Steady Pace

1:33:49

43% of race

Time at Slower Pace

44:24

20% of race

Average Pace: 8:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:4424:357:5524:35
7:55
#13374
10K
6.21 mi11:45:3049:217:5724:46
7:58
#13936
15K
9.32 mi12:10:291:14:207:5924:59
8:02
#14185
20K
12.43 mi12:35:171:39:087:5924:48
7:59
#13917
Half
13.11 mi12:40:361:44:277:585:19
7:48
#13847
25K
15.53 mi13:00:092:04:007:5919:33
8:04
#13735
30K
18.64 mi13:26:032:29:548:0225:54
8:20
#13611
20M
20.00 mi13:37:562:41:478:0511:53
8:45
#13744
21M
21.00 mi13:48:222:52:138:1210:26
10:26
#14223
35K
21.75 mi13:54:442:58:358:136:22
8:31
#14250
23M
23.00 mi14:05:493:09:408:1511:05
8:51
#14309
24M
24.00 mi14:14:183:18:098:158:29
8:29
#14297
40K
24.85 mi14:22:003:25:518:177:42
9:00
#14354
25.2M
25.20 mi14:25:183:29:098:183:18
9:34
#14371
Finish
26.22 mi14:33:503:37:418:198:32
8:22
#14364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133743659365914743(Top 55%)4532(Top 40%)4532(Top 93%)
10K6.21 mi3.10 mi13936-5624001-3424001-34214604(Top 55%)4420(Top 39%)4420(Top 90%)
15K9.32 mi3.11 mi14185-2494166-1654166-16514743(Top 55%)4532(Top 40%)4532(Top 93%)
20K12.43 mi3.11 mi13917+2684033+1334033+13313292(Top 50%)3706(Top 32%)3706(Top 76%)
Half13.11 mi0.68 mi13847+703994+393994+3912769(Top 48%)3375(Top 30%)3375(Top 69%)
25K15.53 mi2.42 mi13735+1123948+463948+4613278(Top 50%)3799(Top 33%)3799(Top 78%)
30K18.64 mi3.11 mi13611+1243906+423906+4213290(Top 50%)3916(Top 34%)3916(Top 80%)
20M20.00 mi1.36 mi13744-1334005-994005-9915134(Top 57%)5073(Top 44%)5073(Top 104%)
21M21.00 mi1.00 mi14223-4794326-3214326-32119372(Top 73%)7556(Top 66%)7556(Top 155%)
35K21.75 mi0.75 mi14250-274362-364362-3615396(Top 58%)5341(Top 47%)5341(Top 109%)
23M23.00 mi1.25 mi14309-594420-584420-5815291(Top 57%)5331(Top 47%)5331(Top 109%)
24M24.00 mi1.00 mi14297+124428-84428-814399(Top 54%)4893(Top 43%)4893(Top 100%)
40K24.85 mi0.85 mi14354-574487-594487-5916179(Top 61%)5950(Top 52%)5950(Top 122%)
25.2M25.20 mi0.35 mi14371-174506-194506-1915530(Top 58%)5591(Top 49%)5591(Top 114%)
Finish26.22 mi1.02 mi14364+74521-154521-1514585(Top 55%)5036(Top 44%)5036(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14743

Females

4532

F18-39

4532

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14604

Females

4420

F18-39

4420

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14743

Females

4532

F18-39

4532

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13292

Females

3706

F18-39

3706

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12769

Females

3375

F18-39

3375

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13278

Females

3799

F18-39

3799

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13290

Females

3916

F18-39

3916

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15134

Females

5073

F18-39

5073

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19372

Females

7556

F18-39

7556

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15396

Females

5341

F18-39

5341

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15291

Females

5331

F18-39

5331

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14399

Females

4893

F18-39

4893

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16179

Females

5950

F18-39

5950

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15530

Females

5591

F18-39

5591

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14585

Females

5036

F18-39

5036

Passing Analysis

Category:
Athletes Passed
1425
Passed By
2415
Net Change
-990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13374
5K → 10K99661-562#13374#13936
10K → 15K106355-249#13936#14185
15K → 20K32355+268#14185#13917
20K → Half777+70#13917#13847
Half → 25K18573+112#13847#13735
25K → 30K242118+124#13735#13611
30K → 20M59192-133#13611#13744
20M → 21M13492-479#13744#14223
21M → 35K4370-27#14223#14250
35K → 23M67126-59#14250#14309
23M → 24M8068+12#14309#14297
24M → 40K4198-57#14297#14354
40K → 25.2M2744-17#14354#14371
25.2M → Finish6356+7#14371#14364
TOTALS14252415-990
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing